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A comment on Tomu, a tiny ARM microprocessor which fits in your USB port. Parent comment

Re:Tomu, a tiny ARM microprocessor which fits in your USB port by sametmax on Thursday August 09, 2018 @06:30AM (#17722986)
Ok, so you if you want 9 keys (3 persons in your family has access, have one local spare, and one off site), and 4 services, you need to do 36 registrations of keys ?

Is there a standard to automate that ?

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Re:Tomu, a tiny ARM microprocessor which fits in your USB port by dspillett on Thursday August 09, 2018 @09:32AM (#17724005)
You don't need one key per service, so that is as little as 5 keys (3 for active users plus the on-site and off-site spares).

You may choose to have more than one key per person, to reduce the amount of re-registering needed if one key is lost, though remember that this is the second factor so you also already have passwords that vary by service (and if you give people multiple keys they will most likely carry them together to lose them all at the same time rather than individually anyway).

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